AJAX and special characters
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  1. #1
    Join Date
    Mar 2008
    Posts
    3

    AJAX and special characters

    hi everyone.

    Am trying to get some data (in french) from a database, but the special characters like "" are getting replaced by question marks. I have been able to find a way in mozilla using

    xmlHttp.overrideMimeType('text/xml; charset=iso-8859-1');

    but it is not working in IE7 and IE6.

    here are the codes :

    Code:
    function showArticles(rubrique)
    		{ 
    			xmlHttp=GetXmlHttpObject();
    			if (xmlHttp==null)
    			  {
    			  alert ("Your browser does not support AJAX!");
    			  return;
    			  } 
    			var url="displayTable.php";
    			url=url+"?r_id="+rubrique;
    			xmlHttp.onreadystatechange=stateChanged;
    			xmlHttp.open("GET",url,true);
    			xmlHttp.send(null);
    		}
    
    
    
    function stateChanged() 
    		{ 
    			
    			if (xmlHttp.readyState==4)
    			{ 
    				document.getElementById("dynamicTable").innerHTML=xmlHttp.responseText;
    			}
    		
    		}
    
    
    
    
    function GetXmlHttpObject()
    		{
    		var xmlHttp=null;
    		try
    		  {
    		  // Firefox, Opera 8.0+, Safari
    		  xmlHttp=new XMLHttpRequest();
    		  xmlHttp.overrideMimeType('text/xml; charset=iso-8859-1'); //NO CHARACTER PROBLEM IN MOZILLA
    		  }
    		catch (e)
    		  {
    		  // Internet Explorer
    		  try
    		    {
    		    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    			//xmlHttp.overrideMimeType('text/xml; charset=iso-8859-1'); // THIS DOES NOT WORK, I"VE COMMENTED IT
    		    }
    		  catch (e)
    		    {
    		    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    		    }
    		  }
    		return xmlHttp;
    		}
    Last edited by PeejAvery; March 22nd, 2008 at 04:12 PM. Reason: Added code tags.

  2. #2
    PeejAvery's Avatar
    PeejAvery is offline Super Moderator Power Poster
    Join Date
    May 2002
    Posts
    10,871

    Re: AJAX and special characters

    I have found with AJAX, that if the actual file is not saved in a specific file type, then it can return invalid characters rather than the special characters. Are you sure the file is saved as iso-8859-1?
    If the post was helpful...Rate it! Remember to use [code] or [php] tags.

  3. #3
    Join Date
    Mar 2008
    Posts
    3

    Re: AJAX and special characters

    Yes. Both my files are saved with iso-8859-1. Shouldn't it have something to do with xmlHttp? because when i override the mime type for mozilla, it works for that browser.

    I dont know if anyone knows an alternative to eliminate this problem.

    The file sending the request also has special characters in it. They are displayed correctly.

    When i run the file being called individually, it also give the correct characters. The problem is only when the content of the file being called is being passed to the requesting file and displayed in a div. Here the special characters are wrong.
    Last edited by PeejAvery; March 24th, 2008 at 08:43 AM. Reason: Merged two posts.

  4. #4
    Join Date
    Mar 2008
    Posts
    3

    Re: AJAX and special characters

    Problem solved. It was indeed a problem with charset.

  5. #5
    Join Date
    Aug 2005
    Posts
    1

    Re: AJAX and special characters

    We are also facing simliar kind of problem, not able to send the special chars in request. Yashin mentioned that the problem is solved with charset. Can you provide your code here which may help us to solve our issue.

  6. #6
    PeejAvery's Avatar
    PeejAvery is offline Super Moderator Power Poster
    Join Date
    May 2002
    Posts
    10,871

    Re: AJAX and special characters

    The problem is simply crossing character sets. Just make sure that the character set you are attempting to output is the same as the saved file that is being read.
    If the post was helpful...Rate it! Remember to use [code] or [php] tags.

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